I would respond back: "Thanks and the same to you too." Keep it short and sweet.

At least you got a better email than what I received last year. I'll share it with you because it's funny...

"Happy New Year....hope the transition was a good one for you." I just laughed. This year nothing and I think it's because his wifey (ow) is now battling cancer. He's been tweeting all over the place about her going to the oncologist and having her blood checked, etc.

Sit quietly, the answers will reveal themselves when you least expect them to.
The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.